<!doctype html>
<!--
@license
Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<html>
<head>
  <meta charset="utf-8">
  <script src="../../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
  <script src="wct-browser-config.js"></script>
  <script src="../../node_modules/wct-browser-legacy/browser.js"></script>
  <script type="module" src="../../polymer-legacy.js"></script>
</head>
<body>

  <custom-style>
    <style is="custom-style">
      x-input {
        border: 4px solid red;
        @apply --cs-blue;
      }
    </style>
  </custom-style>

  <template id="late">
  <custom-style>
    <style is="custom-style">
      html {
        --cs-blue: {
          border: 8px solid blue;
        };
      }
    </style>
  </custom-style>
  </template>

  <x-input id="input"></x-input>

  <script type="module">
import { Polymer } from '../../polymer-legacy.js';
import { afterNextRender } from '../../lib/utils/render-status.js';
/* global input */

suite('custom-style late property definition', function() {

  test('late defined properties applied to custom-style', function(done) {
    Polymer({
      is: 'x-input'
    });
    var template = document.querySelector('template#late');
    document.body.appendChild(document.importNode(template.content, true));
    // wait 2 rounds of `afterNextRender` as `<custom-style>` boots asynchronously
    afterNextRender(null, function() {
      afterNextRender(null, function() {
        assertComputed(input, '8px');
        done();
      });
    });
  });

});

function assertComputed(element, value, property, pseudo) {
  var computed = getComputedStyle(element, pseudo);
  property = property || 'border-top-width';
  assert.equal(computed[property], value, 'computed style incorrect for ' + property);
}
</script>

</body>
</html>
